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Full Discussion: Regarding real example of user of semicolon(;) and + in find/exec command.
Top Forums UNIX for Advanced & Expert Users Regarding real example of user of semicolon(;) and + in find/exec command. Post 303000587 by MadeInGermany on Friday 14th of July 2017 05:41:31 PM
Old 07-14-2017
awk or sed are text file processors; they loop over the lines in a file. To only print FILENAME looks like a misuse of awk.
You would need to loop over the arguments in the BEGIN section.
Code:
find . -type f  -exec awk 'BEGIN { for (i=1; i<ARGC; i++) if (ARGV[i] ~ /test_[4-9][0-9]{4}.txt/) print ARGV[i] }' {} +

Still this looks like the wrong tool for the task.
If there is a simple search pattern for the filenames one can use a -name glob:
Code:
find . -type f -name "test_[4-9][0-9][0-9][0-9][0-9].txt"

 

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LEARN ABOUT SUNOS

setpgrp

setpgrp(1)							   User Commands							setpgrp(1)

NAME

       setpgrp - set process group ID

SYNOPSIS

       setpgrp command [arg...]

DESCRIPTION

       If the current process is not already a session leader, the setpgrp utility sets the process group ID and session ID to the current process
       ID and does an exec() of command and its argument(s), if any.

OPERANDS

       The following operands are supported:

       command	       The name of a command to be invoked.

       arg	       An option or argument to command.

EXIT STATUS

       The following exit values are returned:

       1	       Error executing the setpgrp utility or during exec() of command.

       Otherwise, the exit status will be that of command.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       exec(2), setpgrp(2), attributes(5)

SunOS 5.10							    5 Jan 2000								setpgrp(1)
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